Komatsu PC500LC-10R Shop Manual page 229

10 STRUCTURE AND FUNCTION
General view
A1: To bucket cylinder bottom
A2: To left travel motor
A3: To boom cylinder bottom
A4: To swing motor
A5: To right travel motor
PC500LC-10R
COMPONENT PARTS OF HYDRAULIC SYSTEM
A6: To arm cylinder head
A-1: To boom cylinder bottom
A-2: To attachment
B1: To bucket cylinder head
B2: To left travel motor
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